Epvlf Transmission Class Cables Vlf AC Hipot Test | RFQ Sourcing Details
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Buyer's Digest
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Original product description
EPVLF Transmission class cables vlf ac hipot tester General Information: VLF stands for Very Low Frequency. VLF is generally considered to be 0.1 Hz and lower, its major application is for testing solid dielectric cable, transformers, motors, generators, switchgear, and other electrical apparatus.
A VLF hipot is just an AC output tester but with an output frequency of 0.1 Hz or lower rather than 50/60. Hz. Although the frequency is very low, it is still an alternating current with polarity reversals every half cycle. At 0.1 Hz output, rather than 60.
Hz, it takes 600 times less current and power to apply an AC voltage to a capacitive load, like a long cable. Feature: Adapts microprocessor controlled, can realize voltage set-up/down, measuring and protecting automatically. Manual intervention is allowable even during the auto voltage boosting.
Touch screen, large LCD can display waveform clearly, and test report can be printed. Built-in printer Multiple protections (overvoltage protection, overcurrent protection at HV/LV sides). When the output is beyond the limitation, the control unit will shut itself down within 10ms.
Easy operation: simple wiring and operation. Safe and reliable: the controller and the high-voltage generator are connected at low voltage, photoelectrically controlled, safe and reliable to use. Closed-loop negative feedback circuit is adopted. No capacity rising during outputting. Large test range: 0.1. Hz, 0.05.
Hz and 0.02. Hz multi-frequency selection, large test range. Portable design, small size and light weight: it is very convenient for outdoor operation. Peak voltage: 30kV Output frequency: 0.1. Hz, 0.05. Hz and 0.02 Hz (selectable) Fuse: 10A Maximum load capacity: 1.1μ [ error: ≤3% Voltage waveform distortion: ≤5 % .
Working environment: Temperature: -10 ºC -+40 ºC , 85%RH. Indoor or outdoor Weight: 35kg Power supply: 220V 50/60. Hz The capacitance of the tested object shall not exceed the maximum rated capacitance of the instrument. Model Rated voltage Load capacity Fuse Weight EPVLF-34/1.1 34kV (peak 30kV) 0.1.
Hz ≤1.1µF 10A Combined type 35kg 0.05. Hz ≤2.2µF 0.02. Hz ≤5.5µF EPVLF-40/1.1 40kV (peak) 0.1. Hz ≤1.1µF 10A controller:4kg Booster:40kg 0.05. Hz ≤2.2µF 0.02. Hz ≤5.5µF EPVLF-50/1.1 50kV (peak) 0.1. Hz ≤1.1µF 20A Controller:4kg
Epvlf | Applications and Buyer Notes
Epvlf is organized as a sourcing-ready Moisture Analyzers reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time question
Applications
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- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Moisture AnalyzersBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Accuracy Grade
- 1Based on visible page data; confirm exact value in the RFQ.
- Adopts
- Closed-Loop Negative Feedback CircuitBased on visible page data; confirm exact value in the RFQ.
- After-sales Service
- Remote GuidanceBased on visible page data; confirm exact value in the RFQ.
- Combined Weight
- 35Based on visible page data; confirm exact value in the RFQ.
- Controlled
- MicroprocessorBased on visible page data; confirm exact value in the RFQ.
- Design
- CustomizedBased on visible page data; confirm exact value in the RFQ.
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FAQ
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